[A popular upgrade for the SR20 is to use a 300ZXTT (Z32) MAF sensor for increased airflow and tuneability. This, however, requires the use of a 300ZX intake kit.]
One of the BEST filters on the market today! Many Japanese and U.S. magazines have tested the A'PEXi intake filter head-to-head against others. Not only is it always one of the highest flowing filters in these tests, but also the best at filtration as well! Dry type filter is maintenance-free. Dual funnel design reduces air turbulence.